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https://www.readbyqxmd.com/read/29351231/molecular-network-based-identification-of-competing-endogenous-rnas-in-thyroid-carcinoma
#1
Minjia Lu, Xingyu Xu, Baohang Xi, Qi Dai, Chenli Li, Li Su, Xiaonan Zhou, Min Tang, Yuhua Yao, Jialiang Yang
RNAs may act as competing endogenous RNAs (ceRNAs), a critical mechanism in determining gene expression regulations in many cancers. However, the roles of ceRNAs in thyroid carcinoma remains elusive. In this study, we have developed a novel pipeline called Molecular Network-based Identification of ceRNA (MNIceRNA) to identify ceRNAs in thyroid carcinoma. MNIceRNA first constructs micro RNA (miRNA)-messenger RNA (mRNA)long non-coding RNA (lncRNA) networks from miRcode database and weighted correlation network analysis (WGCNA), based on which to identify key drivers of differentially expressed RNAs between normal and tumor samples...
January 19, 2018: Genes
https://www.readbyqxmd.com/read/29350392/diagnostic-and-prognostic-micro-rnas-in-ischemic-stroke-due-to-carotid-artery-stenosis-and-in-acute-coronary-syndrome-the-4-year-prospective-study
#2
Jacek Gacoń, Rafał Badacz, Ewa Stępień, Izabela Karch, Francisco J Enguita, Krzysztof Żmudka, Tadeusz Przewłocki, Anna Kabłak-Ziembicka
BACKGROUND: Circulating microRNAs (miRs) levels are potentially important diagnostic and prognostic biomarkers in acute coronary syndrome (ACS) or cerebral ischemic event (CIE) resulting from internal carotid artery stenosis (ICAS). AIM: This 4-year prospective study aimed to compare the levels of circulating miRs in ACS vs CIE patients, and investigate miRs potentially associated with risk of recurrent cardiovascular event. METHODS: The circulating miRs levels (miR-1-3p, miR-16-5p, miR-34a-5p, mir-122-5p, miR-124-3p, miR-133a-3p, miR-133b, miR-134-5p, miR-208b-3p, miR-375 and miR-499-5p) were compared in 43 (34M, 57...
January 19, 2018: Kardiologia Polska
https://www.readbyqxmd.com/read/29328389/mir-375-inhibits-ifn-%C3%AE-induced-programmed-death-1-ligand%C3%A2-1-surface-expression-in-head-and-neck-squamous-cell-carcinoma-cells-by-blocking-jak2-stat1-signaling
#3
Qingwei Wu, Yingying Zhao, Yiyuan Sun, Xiaojun Yan, Peihua Wang
Upregulation of programmed death 1 ligand 1 (PD-L1) in cancer cells and its ligation to PD-1 on T cells facilitates cancer cell escape from immune surveillance. Therapies with PD-1 or PD-L1 antibodies have resulted in marked clinical responses in various cancer types. Hence, modulators that inhibit PD-L1 expression in cancer cells may serve as a novel strategy by which to enhance host immune responses. In the present study, we investigated the effects of miR-375 on PD-L1 expression in head and neck squamous cell carcinoma (HNSCC) cells by qRT-PCR and western blot analyses...
January 2, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29322249/mir-375-inhibits-the-hepatocyte-growth-factor-elicited-migration-of-mesenchymal-stem-cells-by-downregulating-akt-signaling
#4
Lihong He, Xianyao Wang, Naixin Kang, Jianwei Xu, Nan Dai, Xiaojing Xu, Huanxiang Zhang
The migration of mesenchymal stem cells (MSCs) is critical for their use in cell-based therapies. Accumulating evidence suggests that microRNAs are important regulators of MSC migration. Here, we report that the expression of miR-375 was downregulated in MSCs treated with hepatocyte growth factor (HGF), which strongly stimulates the migration of these cells. Overexpression of miR-375 decreased the transfilter migration and the migration velocity of MSCs triggered by HGF. In our efforts to determine the mechanism by which miR-375 affects MSC migration, we found that miR-375 significantly inhibited the activation of Akt by downregulating its phosphorylation at T308 and S473, but had no effect on the activity of mitogen-activated protein kinases...
January 10, 2018: Cell and Tissue Research
https://www.readbyqxmd.com/read/29299796/analysis-of-circulating-extracellular-vesicle-associated-micrornas-in-cortisol-producing-adrenocortical-tumors
#5
Pál Perge, Ábel Decmann, Raffaele Pezzani, Irina Bancos, Ambrogio Fassina, Michaela Luconi, Letizia Canu, Miklós Tóth, Marco Boscaro, Attila Patócs, Peter Igaz
PURPOSE: Circulating microRNAs (miRNA) have been described in patients with adrenocortical tumors, but the expression of miRNAs in non-functioning and cortisol-producing tumors has not been yet compared. Therefore, the objective of this study was to evaluate the expression of plasma extracellular vesicle (EV)-associated microRNAs in patients with non-functioning adrenocortical adenoma (NFA), cortisol-producing adrenocortical adenoma (CPA) and cortisol-producing adrenocortical carcinoma (CP-ACC)...
January 3, 2018: Endocrine
https://www.readbyqxmd.com/read/29298817/circulating-mir-375-as-a-novel-prognostic-marker-for-metastatic-medullary-thyroid-cancer-patients
#6
Paola Romeo, Carla Colombo, Roberta Granata, Giuseppina Calareso, Ambra V Gualeni, Matteo Dugo, Loris De Cecco, Maria Grazia Rizzetti, Angela Zanframundo, Antonella Aiello, Maria Luisa Carcangiu, Annunziata Gloghini, Stefano Ferrero, Lisa Licitra, Angela Greco, Laura Fugazzola, Laura D Locati, Maria Grazia Borrello
This study aimed to identify circulating miRNAs as novel non-invasive biomarkers for prognosis and vandetanib response in advanced medullary thyroid cancer (MTC) patients. We prospectively recruited two independent cohorts of locally advanced/metastatic MTC patients including a subgroup of vandetanib-treated subjects: a discovery cohort (n = 20), including matched plasma/tissue samples (n = 17/20), and a validation cohort, yielding only plasma samples (n = 17). Plasma samples from healthy subjects (n = 36) and MTC patients in remission (n = 9) were used as controls...
January 3, 2018: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29286144/effect-of-long-non-coding-rna-pvt1-on-cell-proliferation-and-migration-in-melanoma
#7
Lamei Chen, Dongmei Ma, Yuanyuan Li, Xiaoying Li, Lei Zhao, Jing Zhang, Yali Song
The present study aimed to investigate the potential role of the long non‑coding RNA (lncRNA) Pvt1 oncogene (non‑protein coding) (PVT1) in the progression and metastasis of malignant melanoma, and to reveal its possible molecular mechanisms. The expression of lncRNA PVT1 in melanoma tissues and adjacent normal skin from patients with melanoma, and in the melanoma A‑375 and sk‑mel‑5 cell lines, was analyzed using reverse transcription‑quantitative polymerase chain reaction and western blot analyses...
December 20, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29259977/potential-role-of-microrna-375-as-biomarker-in-human-cancers-detection-a-meta-analysis
#8
REVIEW
Jin Yan, Qiang She, Xiaoran Shen, Yifeng Zhang, Bingtuan Liu, Guoxin Zhang
The association between circulating microRNA-375 (miR-375) expression and cancers has been studied; however, the results are inconsistent. We searched PubMed, Embase, and Web of Science for studies concerning the diagnostic value of miR-375 for cancer. The bivariate meta-analysis model was employed to summarize sensitivity, specificity, and diagnostic odds ratio (DOR) for miR-375 in the diagnosis of cancer. Summary receiver operating characteristic (SROC) curve analysis and the area under the curve (AUC) were also used to check the overall test performance...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29246734/assessment-of-serum-microrna-biomarkers-for-predicting-reclassification-of-prostate-cancer-patients-on-active-surveillance
#9
Richard S C Liu, Ekaterina Olkhov-Mitsel, Renu Jeyapala, Fang Zhao, Kristina Commisso, Laurence Klotz, Andrew Loblaw, Stanley K Liu, Danny Vesprini, Neil E Fleshner, Bharati Bapat
PURPOSE: Conventional clinical variables cannot accurately differentiate between indolent and aggressive prostate cancer among active surveillance patients. We investigated promising circulating miRNA biomarkers for predicting reclassification of active surveillance patients. METHODS: We collected serum samples from two independent active surveillance cohorts for training (n = 196) and validation (n = 133) of candidate miRNAs. All patients were treatment naïve and diagnosed with Gleason score 6 prostate cancer, and samples were collected prior to potential reclassification...
December 12, 2017: Journal of Urology
https://www.readbyqxmd.com/read/29245959/low-concentration-of-formononetin-promotes-proliferation-of-estrogen-receptor-positive-cells-through-an-er%C3%AE-mir-375-pten-erk1-2-bcl-2-pathway
#10
Yan-Hong Guo, Feng-Yan Tang, Yong Wang, Wen-Jun Huang, Jing Tian, Hui-Ling Lu, Min Xin, Jian Chen
A low dose of formononetin accelerates the proliferation of nasopharyngeal carcinoma cells in vitro; however, the underlying mechanism remains unknown. Here, we investigated the molecular mechanism of formononetin in CNE2 cell proliferation. CNE2 cells were treated with 0 to 1 μM formononetin. To inhibit mitogen activated protein kinase / extracellular regulate kinase (MAPK/ERK) kinase (MEK) and microRNA (miR)-375, cells were pretreated with either PD98059 or a miR-375 inhibitor, respectively, followed by co-treatment with formononetin (0...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29245068/overexpression-of-microrna-375-impedes-platelet-derived-growth-factor-induced-proliferation-and-migration-of-human-fetal-airway-smooth-muscle-cells-by-targeting-janus-kinase-2
#11
Yamei Ji, Xin Yang, Huixia Su
The abnormal proliferation and migration of airway smooth muscle (ASM) cells play a critical role in airway remodeling during the development of asthma. MicroRNAs (miRNAs) have emerged as critical regulators of ASM cell proliferation and migration in airway remodeling. In this study, we aimed to investigate the potential role of miR-375 in the regulation of platelet-derived growth factor (PDGF)-induced fetal ASM cell proliferation and migration. Our results showed that miR-375 expression was significantly decreased in fetal ASM cells that were treated with PDGF...
December 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29225111/liraglutide-regulates-the-viability-of-pancreatic-%C3%AE-cells-and-pancreatic-%C3%AE-cells-through-camp-pka-signal-pathway
#12
Xuejuan Xu, Jinsong Chen, Lidong Hu, Ming Liang, Xiaozhou Wang, Si Feng, Jie Shen, Xiaojun Luan
AIMS: As a glucagon-like peptide-1 receptor agonist, liraglutide could effectively increase insulin secretion from pancreatic β-cells and suppress glucagon secretion from pancreatic α-cells in the treatment of hyperglycemia in type 2 diabetes patients. However, the mechanisms for the different regulation of pancreatic α-cells and β-cells are still unclear. In this study, we mainly explored the different effects of liraglutide on mouse pancreatic α-cell line and β-cell line in vitro...
December 7, 2017: Life Sciences
https://www.readbyqxmd.com/read/29210193/islet-damage-during-isolation-as-assessed-by-mirnas-and-the-correlation-of-mirna-levels-with-posttransplant-outcome-in-islet-autotransplantation
#13
Prathab Balaji Saravanan, Mazhar A Kanak, Charles A Chang, Carly Darden, Gumpei Yoshimatsu, Michael C Lawrence, Bashoo Naziruddin
High-quality pancreatic islets are essential for better posttransplant endocrine function in total pancreatectomy with islet autotransplantation (TPIAT), yet stress during the isolation process affects quality and yield. We analyzed islet-enriched miRNAs -375 and -200c released during isolation to assess damage and correlated the data with posttransplant endocrine function. The absolute concentration of miR-375, miR-200c, and C-peptide was measured in various islet isolation steps, including digestion, dilution, recombination, purification, and bagging, in 12 cases of TPIAT...
December 6, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/29191172/microrna-profile-in-hbv-induced-infection-and-hepatocellular-carcinoma
#14
Guanyu Wang, Fulu Dong, Zhiyao Xu, Sherven Sharma, Xiaotong Hu, Dafang Chen, Lumin Zhang, Jinping Zhang, Qinghua Dong
BACKGROUND: MicroRNAs (miRNAs) exhibit essential regulatory functions related to cell growth, apoptosis, development and differentiation. Dysregulated expression of miRNAs is associated with a wide variety of human diseases. As such miRNA signatures are valuable as biomarkers for disease and for making treatment decisions. Hepatitis B virus (HBV) is a major risk factor for hepatocellular carcinoma (HCC). Here we screened for miRNAs in chronic HBV associated HCC. METHODS: To determine the miRNAs in HCC occurrence associated with HBV infection, we analyzed global miRNA expression profiles in 12 pairs of HCC and adjacent matched non-HCC tissues from HBV-positive and HBV-negative patients using microarray analyses...
December 1, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29187807/characteristic-mirna-expression-signature-and-random-forest-survival-analysis-identify-potential-cancer-driving-mirnas-in-a-broad-range-of-head-and-neck-squamous-cell-carcinoma-subtypes
#15
Yury O Nunez Lopez, Berta Victoria, Pawel Golusinski, Wojciech Golusinski, Michal M Masternak
Aim: To characterize the miRNA expression profile in head and neck squamous cell carcinoma (HNSSC) accounting for a broad range of cancer subtypes and consequently identify an optimal miRNA signature with prognostic value. Background: HNSCC is consistently among the most common cancers worldwide. Its mortality rate is about 50% because of the characteristic aggressive behavior of these cancers and the prevalent late diagnosis. The heterogeneity of the disease has hampered the development of robust prognostic tools with broad clinical utility...
January 2018: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/29187583/mir-375-attenuates-injury-of-cerebral-ischemia-reperfusion-via-targeting-ctgf
#16
Jianying Ou, Li Kou, Lingyan Liang, Chaogang Tang
Ischemic stroke is the leading cause of disability and death worldwide. MicroRNAs have been shown to play an important role in development and pathogenesis of the nervous system. However, the precise function and mechanism of miRNAs are not fully understood in the brain injury induced by ischemia/reperfusion (I/R). Herein, our study showed that miR-375 expression was significantly down-regulated in the rat I/R brain. With the in vivo and in vitro I/R stroke models we found that miR-375 mimic provides significant protection from injury of cerebral I/R, which is reflected by reduced infarct volumes and cell apoptosis, increased proliferation and migration of PC12 cells...
November 29, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/29182561/analysis-of-microrna-expression-in-newborns-with-differential-birth-weight-using-newborn-screening-cards
#17
Patricia Rodil-Garcia, Elvira Del Carmen Arellanes-Licea, Angélica Montoya-Contreras, Luis A Salazar-Olivo
Birth weight is an early predictor for metabolic diseases and microRNAs (miRNAs) are proposed as fetal programming participants. To evaluate the use of dried blood spots (DBS) on newborn screening cards (NSC) as a source of analyzable miRNAs, we optimized a commercial protocol to recover total miRNA from normal birth weight (NBW, n = 17-20), low birth weight (LBW, n = 17-20) and high birth weight (macrosomia, n = 17-20) newborns and analyzed the relative expression of selected miRNAs by stem-loop RT-qPCR. The possible role of miRNAs on the fetal programming of metabolic diseases was explored by bioinformatic tools...
November 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29137264/preoperative-chemoradiotherapy-for-rectal-cancer-the-sensitizer-role-of-the-association-between-mir-375-and-c-myc
#18
Raquel Conde-Muiño, Carlos Cano, Victoria Sánchez-Martín, Antonio Herrera, Ana Comino, Pedro P Medina, Pablo Palma, Marta Cuadros
Administration of chemoradiation before tumor resection has revolutionized the management of locally advanced rectal cancer, but many patients have proven resistant to this preoperative therapy. Our group recently reported a negative correlation between c-Myc gene expression and this resistance. In the present study, integrated analysis of miRNA and mRNA expression profiles was conducted in 45 pre-treatment rectal tumors in order to analyze the expressions of miRNAs and c-Myc and their relationship with clinicopathological factors and patient survival...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29132874/combining-serum-microrna-and-ca-125-as-prognostic-indicators-of-preoperative-surgical-outcome-in-women-with-high-grade-serous-ovarian-cancer
#19
Jaynish S Shah, Gregory B Gard, Jean Yang, Jayne Maidens, Susan Valmadre, Patsy S Soon, Deborah J Marsh
OBJECTIVES: The most widely used approach for the clinical management of women with high-grade serous ovarian cancer (HGSOC) is surgery, followed by platinum and taxane based chemotherapy. The degree of macroscopic disease remaining at the conclusion of surgery is a key prognostic factor determining progression free and overall survival. We sought to develop a non-invasive test to assist surgeons to determine the likelihood of achieving complete surgical resection. This knowledge could be used to plan surgical approaches for optimal clinical management...
November 10, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/29127520/association-between-mir-146a-rs2910164-polymorphism-and-specific-cancer-susceptibility-an-updated-meta-analysis
#20
REVIEW
Xia Hao, Lingzi Xia, Ruoyi Qu, Xianglin Yang, Min Jiang, Baosen Zhou
The rapidly increasing of cancer risk nationwide and worldwide has threatened human health and caused the changes of disease and death spectrum. MicroRNA (MiRNA) as cancer biomarker on susceptibility has enjoyed a high level of concern. This article will discuss the association between miR-146 rs2910164 polymorphism and cancer susceptibility in 38 independent case-control studies from 34905 individuals. The 38 case-control studies which were searched from PubMed were used for conducting a meta-analysis. There were 14670 cases and 20235 controls...
November 10, 2017: Familial Cancer
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